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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
... for in to iterate over arrays because the language does not garauntee the order in which for in will enumerate over an array. It might not be in numeric order. In addition, if you use the `for(i=0;i<array.length;i++) style construct, you can be sure that you're only iterating numeric indexes in ...
How do you search an amazon s3 bucket?
...er and built a tool to help: bucketsearch.net - allows for wildcard search etc
– Jon M
Mar 11 at 21:55
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...in CMake is effectively a string, but setting PATH, FILEPATH, STRING, BOOL etc help the GUI to present a more appropriate widget.
– Marcus D. Hanwell
May 22 '13 at 16:54
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What are forward declarations in C++?
...hat you expected.
So, just to keep things explicit and avoid the guessing etc, the compiler insists you declare everything before it is used.
Difference between declaration and definition
As an aside, it's important to know the difference between a declaration and a definition. A declaration jus...
specify project file of a solution using msbuild
...em work out the dependencies automatically.
If you are enforcing a build order using the sln file, I recommend working those dependencies directly into the proj files and removing them from the sln. This will allow you to invoke any proj file from MSBuild directly and the projects will all build ...
What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
...changes that were made afterwards. I had to do a sync and then resolve in order to get the changes back in which were submitted after the backout.
– gdw2
Mar 22 '12 at 21:20
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...a generic file system which can point to any file systems like local, HDFS etc. So this can be used when you are dealing with different file systems such as Local FS, (S)FTP, S3, and others
hadoop dfs <args>
dfs is very specific to HDFS. would work for operation relates to HDFS. This ha...
Why does C# forbid generic attribute types?
...y, write lesser code than otherwise required, get benefits of polymorphism etc.
//an interface which means it can't have its own implementation.
//You might need to use extension methods on this interface for that.
public interface ValidatesAttribute<T>
{
T Value { get; } //or whatever t...
What's the difference between SortedList and SortedDictionary?
...--------+---------+
* Insertion is O(1) for data that are already in sort order, so that each
element is added to the end of the list (assuming no resize is required).
From an implementation perspective:
+------------+---------------+----------+------------+------------+------------------+
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What is the difference between SQL, PL-SQL and T-SQL?
... management systems: SQL Server, Oracle, MySQL, PostgreSQL, DB2, Informix, etc.
PL/SQL is a proprietary procedural language used by Oracle
PL/pgSQL is a procedural language used by PostgreSQL
TSQL is a proprietary procedural language used by Microsoft in SQL Server.
Procedural languages are design...